Cypress ST over Big Dalton Wash
GoodLos Angeles County, California · 0.5MI W/O Vincent Ave · Structure no. 53C0673
- Built
- 1959
- 66 years old, rebuilt 1985
- Condition
- Good
- inspected April 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 195 ft
- 1 main span
- Daily traffic
- 5,545
- 2012 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Cypress ST over Big Dalton Wash is a prestressed concrete stringer/multi-beam or girder carrying Cypress ST over Big Dalton Wash in Los Angeles County, California. It was built in 1959 and reconstructed in 1985, so it is 66 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5,545 vehicles a day, roughly 1% of them trucks, projected to reach 6,376 by 2041. The structure is 195 ft (59.4 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cypress ST over Big Dalton Wash built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1985.
What condition is Cypress ST over Big Dalton Wash in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2021.
How much traffic does Cypress ST over Big Dalton Wash carry?
About 5,545 vehicles per day (2012 count), of which roughly 1% are trucks.
How long is Cypress ST over Big Dalton Wash?
The structure is 195 ft (59.4 m) long with a longest span of 80 ft (24.4 m) and a deck 78 ft wide.
Who owns Cypress ST over Big Dalton Wash?
It is owned by the City or Municipal Highway Agency.